Mount McKinley in Alaska rises 20,320 feet in the air while Mount Kosciusko in Australia rises 7,310 feet. What is the difference in the height of these mountains? Express your answer in scientific notation.

Asha skated the length of the frozen canal * t * times, except the last time she stopped 2 km from the end. The canal is 7 km long a) Write an algebraic expression that represents how far Asha skated in kilometres

Peter uses unit cubes to build a figure in the shape of a letter x. What is the fewest unit cubes that Peter can use to build the figure?

Six students collect buttons for a project. The students have 10, 14, 15, 12, 13, and 14 buttons. They divide the buttons evenly so that each student receives the same number of buttons. How many buttons does each student receive? 11 12 13 14

How much do 4pennies weight?

V2 is equal to + 2 a s derive

Approximately one out of ever 250 people in the United States is currently serving in the military. If the United States population was 327,200,000 people, about how many people are currently serving in the U. S.

How do you write. 625 as a fraction

What is 780000 hours in days?

How many solutions are there to the equation 9x-16=9x-23

What is the third term in the pattern with formula 8 • 4 n - 1? A. 64 B. 96 C. 128 D. 512